Spiral musical instrument stand spacer



FIG. 1 is a perspective view embodying my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view; and,

FIG. 4 is a front elevational view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a spiral musical instrument stand spacer, as shown and described. 